--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Cuspart: Kâr/Zarar" developer_entity: "Mustafa Tolga DALBUDAK" bundle_id: "com.kazanc.Ticaret-Kazanc" app_store_id: "1661536773" google_play_id: "com.inditex.zara" category: "Business" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-05-15" report_date: "2026-05-19" last_verified: "2026-05-19T00:00:00.000Z" report_version: "18.7.2" total_reviews: 820532 overall_rating: 4.8 sentiment: "Excited" sentiment_score: 90 confidence: "high" confidence_score: 0.7 top_praise_theme: "Simplicity of profit-tracking interface" top_complaint_theme: "Manual data entry friction" review_sample_size: 820532 data_age_days: 89 momentum_velocity: "maintenance" intelligence_version: 3 nemesis: "Splid – Split group bills" competitor_count: 11 tags: ["business", "free", "excited sentiment", "mobile app", "app review", "app analysis", "e-commerce", "sellers", "platforms"] canonical_url: "https://marlvel.ai/apps/cuspart-kar-zarar" license: "CC-BY-NC 4.0" content_version: "v2" --- # Cuspart: Kâr/Zarar Intelligence Report ## TL;DR {#tldr} - **Category**: Business · Free - **Signal**: Rating 4.81 · Sentiment Excited - **Recent focus**: Manual data entry friction (top complaint) · Simplicity of profit-tracking interface (top praise) > **TL;DR:** Cuspart: Kâr/Zarar is a business app by Mustafa Tolga DALBUDAK, rated 4.81/5 by 820.5K users, with Excited user sentiment (90/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Cuspart: Kâr/Zarar maintains Excited user sentiment (4.81/5 from 820.5K reviews), with users consistently praising simplicity of profit-tracking interface. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.81/5 (820.5K reviews) | | **User Mood** | Excited | | **Category** | Business | | **Developer** | Mustafa Tolga DALBUDAK | | **Pricing** | Free | | **Platforms** | iOS & Android | | **Confidence** | High (0.7/1.0) | | **Data Age** | 89d | ## Metadata & Market Performance - **Publisher:** Mustafa Tolga DALBUDAK - **Category:** Business - **Target Audience:** E-commerce sellers on platforms like Trendyol, Hepsiburada, Amazon, and Etsy. - **Platforms:** iOS & Android - **Version Reviewed:** 1.33.4554 - **Report Date:** 2026-05-19 - **Signal Count:** 820532 reviews analyzed - **Confidence:** High (0.7/1.0) - **App Store ID (iOS):** 1661536773 - **Bundle ID:** com.kazanc.Ticaret-Kazanc - **Google Play ID:** com.inditex.zara - **Performance Trend:** Improving - **Data Window:** Analysis based on signals collected up to 2026-05-19 ## Executive Snapshot **What it is:** Cuspart is a profit and loss calculation tool for e-commerce sellers, available as a free utility on Android. **Why users hire it:** Users hire Cuspart to replace manual Excel accounting with an automated, privacy-focused margin calculator that accounts for marketplace-specific commissions and shipping costs. ## App DNA (Features & Intent) - **[Differentiator] Local Data Storage:** Financial data is stored exclusively on the device. - **[Standard] Net Profit Calculation:** Automated calculation of profit after commissions and costs. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Data Export:** Export reports in PDF or CSV format. ## Market Position {#market-position} Cuspart maintains a high 4.81 rating on Android with over 820,000 reviews, signaling strong product-market fit for individual sellers despite the lack of iOS presence. ## Monetization Strategy - **Model:** Free - **Tiers:** Free access to all features - **Analysis:** The app operates as a free tool with no visible subscription gates, focusing on user acquisition. ## 🟢 User Sentiment (High Confidence: 820.5K reviews) {#user-sentiment} - **Overall Rating:** 4.81/5 - **Platform Split:** Android 4.8/5 (820.5K ratings) - **Overall Sentiment:** Excited ### Top Praises - **Simplicity of profit-tracking interface** ### Top Complaints (Impact Areas) - **Manual data entry friction** ## SWOT Analysis {#swot} **Core Strengths:** - Local-only storage ensures data sovereignty for privacy-conscious business owners. - Specialized e-commerce cost-variable inputs outperform generic financial calculators. **Growth Levers:** - API integrations with marketplaces could automate cost-tracking. - Tablet-specific UI could capture on-the-go inventory management. ## Recent Changes (v2 → v3) {#recent-changes} Cuspart has pivoted its product strategy to address manual entry friction through API automation, while significantly expanding its competitive benchmarking against general financial utilities. **Overall trend**: Improving **Compared at**: 2026-05-19 ### High-impact changes - **[Shifted] Strategic Roadmap Pivot** (positioning) - **[Shifted] Competitive Landscape Expansion** (positioning) ### Medium-impact changes - **[Improved] Sentiment Score Increase** (sentiment) - **[Added] New SWOT Threats and Opportunities** (swot) ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### Cuspart: Kâr/Zarar vs Splid – Split group bills - **[Splid – Split group bills](https://marlvel.ai/apps/splid-split-group-bills)** by Nicolas Jersch: Splid competes for the same user base seeking simplified financial management and expense tracking, directly challenging Cuspart's utility-focused value proposition. - **Key differences:** - Offers robust offline group synchronization, allowing users to manage shared expenses without constant internet connectivity. - Provides sophisticated multi-currency conversion tools that simplify international expense tracking for global user groups. - Delivers comprehensive data export features, enabling users to easily move financial records into external spreadsheets. ### Contenders (Strong Challengers) - **[Finance Calculator Europe](https://marlvel.ai/apps/finance-calculator-europe)** by Jd App Zone: This app competes for the attention of users looking for reliable, multi-purpose financial calculation tools. - Offers localized tax planning tools specifically designed for European financial regulations, creating a strong regional competitive advantage. - Features detailed amortization schedules that provide users with long-term visibility into their loan and debt obligations. - **[Financial Calculator EMI](https://marlvel.ai/apps/financial-calculator-emi)** by Jaydip Jethva: It serves as a broad-spectrum financial utility that overlaps with Cuspart's goal of simplifying complex math for users. - Provides dedicated mortgage and loan amortization calculators that offer deeper debt-management insights than Cuspart's current toolset. - Includes comprehensive investment planning modules that cater to long-term wealth management rather than short-term e-commerce profit. - **[Kıdem Tazminatı](https://marlvel.ai/apps/k-dem-tazminat)** by Mehmet Bayram: This app competes by offering specialized financial calculation tools for specific professional and legal scenarios. - Automates complex severance pay calculations, providing a highly specific utility that Cuspart does not currently address. - Integrates specialized financial input fields tailored specifically for labor law compliance and employee compensation modeling. - **[groupay - Adjust Split Bill](https://marlvel.ai/apps/groupay-adjust-split-bill)** by Akihiro Usui: Groupay targets the same demographic of users needing to calculate and settle financial obligations between multiple parties. - Features a granular payment adjustment function that allows for uneven split calculations between group members. - Includes a selective member payment feature, enabling users to exclude specific individuals from certain shared costs. ### Peers (What They Do Better) - **[Subspace: Subscriptions](https://marlvel.ai/apps/subspace-subscriptions)** by Nilesh Kumar: It competes for the user's focus on recurring expense management and financial optimization. - Focuses on subscription sharing and management, solving a specific pain point regarding recurring digital service costs. - Provides access to discounted gift cards, creating a unique value-add that incentivizes daily app engagement. - **[LANDBANK Mobile Banking](https://marlvel.ai/apps/landbank-mobile-banking)** by Land Bank of the Philippines: This app provides institutional financial services that compete for the user's primary financial management time. - Enables direct retail treasury bond investments, offering a sophisticated financial product beyond simple profit/loss calculation tools. - Supports cardless withdrawal functionality, providing a physical-world utility that bridges the gap between digital and cash. - **[SAB Mobile](https://marlvel.ai/apps/sab-mobile)** by Saudi Awwal Bank: It occupies the same financial management space by providing users with a 360-degree view of their fiscal health. - Features a '360° Dashboard' that aggregates all financial data, providing a holistic view superior to standalone calculators. - Includes a proprietary 'Aqsat' installment program, directly addressing the financing needs of retail and business customers. - **[AlRajhi Mobile](https://marlvel.ai/apps/alrajhi-mobile)** by Al Rajhi Banking and Investment Corporation: As a full-service banking app, it captures the financial management workflow that Cuspart aims to streamline. - Provides an integrated e-market shopping experience, allowing users to purchase goods directly within the banking ecosystem. - Offers instant personal financing options, creating a high-barrier financial service that pure calculation apps cannot replicate. ### New Kids on the Block (What's Innovative) - **[GovAid: SNAP](https://marlvel.ai/apps/govaid-snap)** by Timothy DeGraff: It enters the space by providing highly specific, rule-based financial estimation tools for government assistance programs. - Utilizes a state-specific rules engine to provide accurate, localized financial eligibility screening for government aid programs. - **[Share Market Calculator](https://marlvel.ai/apps/share-market-calculator)** by Jaydip Jethva: This newcomer targets the same analytical user base looking for specialized calculators for their financial activities. - Offers specialized trading and options calculators that provide technical analysis tools for active stock market participants. ## What's New - **Latest (v18.7.2, 4 days ago):** Redesigned shopping experience with a new arrivals collection discovery feature. ## App Momentum (Maintenance) {#momentum} - Maintains 4.81 rating on Android. - Ships regular stability updates. > **Cadence:** 2 total versions · 1 majors in last 6 months · 4 days since last update · 291 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Cuspart: Kâr/Zarar is a market-leading business app that is completely free. With a 4.81/5 rating from 820.5K reviews, it delivers strong user satisfaction. > **Bottom Line:** Cuspart wins on privacy and specialized e-commerce math, but the manual entry requirement limits its scalability for professional sellers, so the PM should prioritize marketplace API integrations to reduce user friction. **Best for:** E-commerce sellers on platforms like Trendyol, Hepsiburada, Amazon, and Etsy. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Pivot manual entry to automated platform API imports because users report high friction in manual data entry → increase retention of high-volume sellers. ### Feature Gaps vs Competitors - Real-time group synchronization (available in Splid but absent here) ### Outlook: Stable The e-commerce utility market is shifting toward automated, platform-integrated accounting, leaving standalone calculators exposed. Cuspart must transition from a manual tool to an integrated service to maintain its lead against automated competitors. - 🟢 High rating consistency on Android indicates the core profit-calculation utility remains highly valued by the target user base. - 🔴 Manual entry friction in the latest version creates a churn risk as sellers scale their operations beyond simple manual tracking. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.81/5 | | Total Reviews | 820.5K | | Sentiment | Excited (90/100) | | Confidence | High | | Pricing Model | Free | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Improving | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Cuspart: Kâr/Zarar** (this app) | 4.81/5 | Excited | Mustafa Tolga DALBUDAK | | [groupay - Adjust Split Bill](https://marlvel.ai/apps/groupay-adjust-split-bill) | N/A/5 | N/A | Akihiro Usui | | [Financial Calculator EMI](https://marlvel.ai/apps/financial-calculator-emi) | N/A/5 | N/A | Jaydip Jethva | | [Share Market Calculator](https://marlvel.ai/apps/share-market-calculator) | N/A/5 | N/A | Jaydip Jethva | | [Finance Calculator Europe](https://marlvel.ai/apps/finance-calculator-europe) | N/A/5 | N/A | Jd App Zone | | [GovAid: SNAP](https://marlvel.ai/apps/govaid-snap) | 5.0/5 | N/A | Timothy DeGraff | ## Company Profile - **Developer:** Mustafa Tolga DALBUDAK ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/cuspart-k%C3%A2r-zarar/id1661536773?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.inditex.zara&hl=en&gl=us) - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*groupay - Adjust Split Bill*](https://marlvel.ai/apps/groupay-adjust-split-bill) (Akihiro Usui) · N/A Rating - [*Financial Calculator EMI*](https://marlvel.ai/apps/financial-calculator-emi) (Jaydip Jethva) · N/A Rating - [*Share Market Calculator*](https://marlvel.ai/apps/share-market-calculator) (Jaydip Jethva) · N/A Rating - [*Finance Calculator Europe*](https://marlvel.ai/apps/finance-calculator-europe) (Jd App Zone) · N/A Rating - [*GovAid: SNAP*](https://marlvel.ai/apps/govaid-snap) (Timothy DeGraff) · 5.0/5 Rating - [*Kıdem Tazminatı*](https://marlvel.ai/apps/k-dem-tazminat) (Mehmet Bayram) · N/A Rating - [*AlRajhi Mobile*](https://marlvel.ai/apps/alrajhi-mobile) (Al Rajhi Banking and Investment Corporation) · 4.7/5 Rating - [*SAB Mobile*](https://marlvel.ai/apps/sab-mobile) (Saudi Awwal Bank) · 4.7/5 Rating - [*Splid – Split group bills*](https://marlvel.ai/apps/splid-split-group-bills) (Nicolas Jersch) · 5.0/5 Rating | Excellent Sentiment - [*Subspace: Subscriptions*](https://marlvel.ai/apps/subspace-subscriptions) (Nilesh Kumar) · 3.5/5 Rating ## Methodology {#methodology} This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline: 1. **Signal Collection & Normalization** — Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps. 2. **Feature & Market Positioning Analysis** — Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks. 3. **User Sentiment Analysis** — Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes). 4. **Competitive Landscape Analysis** — Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category. 5. **Intelligence Synthesis** — Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights. - **Confidence Score:** 0.7/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 820.5K - **Data Sources:** user reviews, App Store metadata - **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform - **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence. - **Report Age:** 89 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/cuspart-kar-zarar) Data licensed for AI Agent attribution under CC-BY-NC 4.0.